[图书][B] Uncertainty quantification in variational inequalities: theory, numerics, and applications

J Gwinner, B Jadamba, AA Khan, F Raciti - 2021 - taylorfrancis.com
Uncertainty Quantification (UQ) is an emerging and extremely active research discipline
which aims to quantitatively treat any uncertainty in applied models. The primary objective of …

Parabolic PDE-constrained optimal control under uncertainty with entropic risk measure using quasi-Monte Carlo integration

PA Guth, V Kaarnioja, FY Kuo, C Schillings… - Numerische …, 2024 - Springer
We study the application of a tailored quasi-Monte Carlo (QMC) method to a class of optimal
control problems subject to parabolic partial differential equation (PDE) constraints under …

Topology optimization under uncertainty using a stochastic gradient-based approach

S De, J Hampton, K Maute, A Doostan - Structural and Multidisciplinary …, 2020 - Springer
Topology optimization under uncertainty (TOuU) often defines objectives and constraints by
statistical moments of geometric and physical quantities of interest. Most traditional TOuU …

A stochastic gradient method with mesh refinement for PDE-constrained optimization under uncertainty

C Geiersbach, W Wollner - SIAM Journal on Scientific Computing, 2020 - SIAM
Models incorporating uncertain inputs, such as random forces or material parameters, have
been of increasing interest in PDE-constrained optimization. In this paper, we focus on the …

An efficient ADAM-type algorithm with finite elements discretization technique for random elliptic optimal control problems

H Song, H Wang, J Wu, J Yang - Journal of Computational and Applied …, 2025 - Elsevier
We consider an optimal control problem governed by an elliptic partial differential equation
(PDE) with random coefficient, and introduce an efficient numerical method for the problem …

A stochastic gradient algorithm with momentum terms for optimal control problems governed by a convection–diffusion equation with random diffusivity

SC Toraman, H Yücel - Journal of Computational and Applied Mathematics, 2023 - Elsevier
In this paper, we focus on a numerical investigation of a strongly convex and smooth
optimization problem subject to a convection–diffusion equation with uncertain terms. Our …

Stochastic proximal gradient methods for nonconvex problems in Hilbert spaces

C Geiersbach, T Scarinci - Computational optimization and applications, 2021 - Springer
For finite-dimensional problems, stochastic approximation methods have long been used to
solve stochastic optimization problems. Their application to infinite-dimensional problems is …

Stochastic approximation for optimization in shape spaces

C Geiersbach, E Loayza-Romero, K Welker - SIAM Journal on Optimization, 2021 - SIAM
In this work, we present a novel approach for solving stochastic shape optimization
problems. Our method is the extension of the classical stochastic gradient method to infinite …

A relaxation-based probabilistic approach for PDE-constrained optimization under uncertainty with pointwise state constraints

DP Kouri, M Staudigl, TM Surowiec - Computational Optimization and …, 2023 - Springer
We consider a class of convex risk-neutral PDE-constrained optimization problems subject
to pointwise control and state constraints. Due to the many challenges associated with …

A new regularized stochastic approximation framework for stochastic inverse problems

J Dippon, J Gwinner, AA Khan, M Sama - Nonlinear Analysis: Real World …, 2023 - Elsevier
We study the nonlinear inverse problem of estimating stochastic parameters in the fourth-
order partial differential equation with random data. The primary focus is on developing a …